The Number

121681

One Hundred and Twenty-One Thousand Six Hundred and Eighty-One

In Base 31 Untrigesimal Is

42j631

The numbers with a 31 subscript use Base 31 Untrigesimal notation.

For more familiar numbers: See One Hundred and Twenty-One Thousand Six Hundred and Eighty-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

121678
42j331
One Hundred and Twenty-One Thousand Six Hundred and Seventy-Eight in Base 31 Untrigesimal
121679
42j431
One Hundred and Twenty-One Thousand Six Hundred and Seventy-Nine in Base 31 Untrigesimal
121680
42j531
One Hundred and Twenty-One Thousand Six Hundred and Eighty in Base 31 Untrigesimal
121682
42j731
One Hundred and Twenty-One Thousand Six Hundred and Eighty-Two in Base 31 Untrigesimal
121683
42j831
One Hundred and Twenty-One Thousand Six Hundred and Eighty-Three in Base 31 Untrigesimal
121684
42j931
One Hundred and Twenty-One Thousand Six Hundred and Eighty-Four in Base 31 Untrigesimal

Scientific Notation

Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.

1.21681e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0007i8ldhq5o6e31

The reciprocal of 121681 in Base 31 Untrigesimal.

Palindrome?

A numerical palindrome has the same value when all of its digits are reversed.

The number 42j631 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

One hundred and twenty-one thousand six hundred and eighty-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 31 Untrigesimal

A Composite

Composites have more than just these two factors.

One hundred and twenty-one thousand six hundred and eighty-one is a composite number with 4 total factors (including 1 and itself).

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number one hundred and twenty-one thousand six hundred and eighty-one has the following 2 prime factors:

7
731
Seven in Base 31 Untrigesimal
17383
i2n31
Seventeen Thousand Three Hundred and Eighty-Three in Base 31 Untrigesimal

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

7311 · i2n311 = 42j631

Base Conversions

The number one hundred and twenty-one thousand six hundred and eighty-one in 35 different bases